Fix local build error

android/app/build.gradle

@@ -71,9 +71,17 @@ android {
         }
     }
     
+    signingConfigs {
+        release {
+            keyAlias keystoreProperties['keyAlias']
+            keyPassword keystoreProperties['keyPassword']
+            storeFile keystoreProperties['storeFile'] ? file(keystoreProperties['storeFile']) : null
+            storePassword keystoreProperties['storePassword']
+        }
+    }
     buildTypes {
         release {
-            
+            signingConfig signingConfigs.release
         }
     }
 }